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Finding the Fourth Proportional to 146,496.40, 219,874.20 and 125,501.20

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Solution

The fourth proportional to 146,496.40, 219,874.20 and 125,501.20 is: 188,362.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,496.40 : 219,874.20 = 125,501.20 : x
  2. Step 2: Convert to fraction form
    146,496.40/219,874.20 = 125,501.20/x
  3. Step 3: Cross multiply
    146,496.40x = 219,874.20 × 125,501.20
  4. Step 4: Simplify right side
    146,496.40x = 27,594,475,949.04
  5. Step 5: Solve for x
    x = 27,594,475,949.04/146,496.40
  6. Step 6: Final answer
    x = 188,362.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.